Answer in brief
CVE-2026-91010 records a Unknown severity vulnerability in Invisible Anti-Spam & CAPTCHA < 5.1.1 - Subscriber+ Arbitrary Form Submission Deletion. The current sources do not mark it as known exploited. The current feed maps Unknown/Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Unknown/Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Formsgeneric | >=2.0.5 <5.1.1 | 5.1.1 |
Published upstream
Sep 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 17, 2026
The Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms WordPress plugin before 5.1.1 does not check the user's capabilities in its message deletion AJAX action, and only tests that a nonce parameter is present rather than validating it, allowing any authenticated user, such as a subscriber, to permanently delete every form submission the Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms WordPress plugin before 5.1.1 has stored.
Quoted source text, attributed separately from HOL analysis.